21121 SW 85th Ave Apt 311

Cutler Bay, FL 33189 · condos · For Sale · 26 days on market
Asking price$265,000
2 beds 2 baths 1,192 sqft
Suggested offer$260,000$5,000 above the est. market value of $260,000.
View on Realtor.com →
Listed by Yvette Joseph · Charles Rutenberg Realty Fort
Typecondos
Built1975
Price / sqft$222
Est. value (own analysis)$260,000
Rent estimate (own analysis)$2,150/mo
HOA$501/mo
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Neighborhood

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Statusfor_sale
Listed date2026-08-07
Removed date
MLSMiamiMLS #A12067488
Coordinates25.57170, -80.32581
Address21121 SW 85th Ave Apt 311
CityCutler Bay
StateFL
Zip33189
Listing ID5367416642
Sourceus-real-estate-listings, cached 2026-08-28

ZIP market snapshot (33189)

Typical home value (ZHVI)$554,285
Typical rent (ZORI)$2,715/mo
Zillow Research's ZHVI (home value index) and ZORI (rent index) for this ZIP, as of 2026-07 — free published data, refreshed monthly, no RentCast quota spent. "Typical value/rent" is a smoothed index, not a literal median of active listings.

Underwriting (buy-and-hold, default assumptions)

Purchase price$265,000
Down payment (20.0%)$53,000
Loan amount$212,000
Closing costs (5.0%)$13,250
Total cash to close$66,250
Rent (comp-derived)$2,150$25,800
Vacancy loss (8.0%)

Vacancy Loss

Gross Scheduled Rent × Vacancy Rate

Gross scheduled rent (annual) comp$25,800
Vacancy rate (assumption) assumption8.0%

$25,800 × 8.0% = $2,064

Effective gross income$1,978$23,736
Property tax (placeholder 1.9% of price)$420$5,035
Insurance (placeholder 0.8% of price)$177$2,120
HOA dues$501$6,012
Management (0.0% of EGI)$0$0
Maintenance (5.0% of GSR)$108$1,290
Total operating expenses$1,205$14,457
Net operating income (NOI)

Net Operating Income (NOI)

Effective Gross Income − Total Operating Expenses

Effective gross income derived$23,736
Total operating expenses derived$14,457

$23,736 − $14,457 = $9,279

Debt service (6.66%, avg 30yr rate as of 2026-08-27, 30yr amortizing)

Monthly Principal & Interest

Standard amortization on the loan amount, at the effective rate and term

Loan amount derived$212,000
Interest rate (avg 30yr rate) comp6.7%
Term (assumption) assumption30 years

$212,000 amortized at 6.7% over 30 years = $1,362/mo

CapEx reserve (5.0% of GSR)$108$1,290
Mortgage insurance (PMI) (0.0% of loan, not required — down payment ≥ 20%)$0$0
Cash flow

Monthly Cash Flow

(NOI − Annual Debt Service − Annual CapEx Reserve − Annual PMI) ÷ 12

NOI derived$9,279
Annual debt service derived$16,348
Annual CapEx reserve assumption$1,290
Annual PMI assumption$0

($9,279 − $16,348 − $1,290 − $0) ÷ 12 = -$697

Cap rate

Cap Rate

NOI ÷ Purchase Price

NOI derived$9,279
Purchase price data$265,000

$9,279 ÷ $265,000 = 3.5%

Cash-on-cash

Cash-on-Cash Return

Annual Cash Flow ÷ Total Cash Invested

Annual cash flow derived-$8,359
Total cash to close derived$66,250

-$8,359 ÷ $66,250 = -12.6%

DSCR

Debt Service Coverage Ratio (DSCR)

NOI ÷ Annual Debt Service

NOI derived$9,279
Annual debt service derived$16,348

$9,279 ÷ $16,348 = 0.57

Rent-to-price (1% rule)

Rent-to-Price (the "1% rule")

(Gross Scheduled Rent ÷ 12) ÷ Purchase Price

Gross scheduled rent (annual) comp$25,800
Purchase price data$265,000

($25,800 ÷ 12) ÷ $265,000 = 0.8%

Gross rent multiplier

Gross Rent Multiplier (GRM)

Purchase Price ÷ Gross Scheduled Rent

Purchase price data$265,000
Gross scheduled rent (annual) comp$25,800

$265,000 ÷ $25,800 = 10.3

Operating expense ratio

Operating Expense Ratio

Total Operating Expenses ÷ Effective Gross Income

Total operating expenses derived$14,457
Effective gross income derived$23,736

$14,457 ÷ $23,736 = 60.9%

Break-even occupancy

Break-Even Occupancy

(Total OpEx + Annual Debt Service + Annual PMI) ÷ Gross Scheduled Rent

Total operating expenses derived$14,457
Annual debt service derived$16,348
Annual PMI assumption$0
Gross scheduled rent (annual) comp$25,800

($14,457 + $16,348 + $0) ÷ $25,800 = 119.4%

Comparables

Same ZIP. Real active rental listings, used to derive the rent estimate above.

AddressTypeBedsBathsSqftAsking rentListedDays on market
apartment22827$1,7592026-07-07
condos221,113$2,3002026-07-13
apartment22980$2,1002026-06-17
condos221,113$2,1502026-07-21
condos22980$1,8002026-07-02
apartment221,061$2,2002026-08-21
condos221,113$2,0002026-03-11
condos22980$2,3002026-08-26
condos221,082$2,4002026-08-24
condos22980$2,0002026-07-20
condos22980$1,8502026-06-02
condos221,060$2,2002026-06-26
condos221,113$2,1502026-08-14
condos221,113$2,2502026-06-11
condos221,192$2,3502026-06-28
condos22980$2,2002025-09-04
condos221,130$1,9502025-12-18
apartment22980$1,8502026-03-17
condos221,113$2,300

8000 SW 210th St

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage827
Listed2026-07-07
Days on market

Asking rent: $1,759

View on Zillow →

8680 SW 212th St Apt 105

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-07-13
Days on market

Asking rent: $2,300

View on Zillow →

8200 SW 210th St Apt 201

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-06-17
Days on market

Asking rent: $2,100

View on Zillow →

8670 SW 212th St Apt 306

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-07-21
Days on market

Asking rent: $2,150

View on Zillow →

8260 SW 210th St Apt 319

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-07-02
Days on market

Asking rent: $1,800

View on Zillow →

20950 SW 87th Ave Apt 305

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,061
Listed2026-08-21
Days on market

Asking rent: $2,200

View on Zillow →

8560 SW 212th St Apt 306

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-03-11
Days on market

Asking rent: $2,000

View on Zillow →

8240 SW 210th St Apt 319

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-08-26
Days on market

Asking rent: $2,300

View on Zillow →

21500 SW 87th Ct Unit 21500

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,082
Listed2026-08-24
Days on market

Asking rent: $2,400

View on Zillow →

8260 SW 210th St Apt 309

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-07-20
Days on market

Asking rent: $2,000

View on Zillow →

8260 SW 210th St Apt 102

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-06-02
Days on market

Asking rent: $1,850

View on Zillow →

21100 SW 87th Ave Apt 304

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,060
Listed2026-06-26
Days on market

Asking rent: $2,200

View on Zillow →

8580 SW 212th St Apt 307

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-08-14
Days on market

Asking rent: $2,150

View on Zillow →

8540 SW 212th St Apt 202

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed2026-06-11
Days on market

Asking rent: $2,250

View on Zillow →

21121 SW 85th Ave Apt 111

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,192
Listed2026-06-28
Days on market

Asking rent: $2,350

View on Zillow →

8260 SW 210th St Apt 201

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2025-09-04
Days on market

Asking rent: $2,200

View on Zillow →

8540 SW 212th St Apt 101

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,130
Listed2025-12-18
Days on market

Asking rent: $1,950

View on Zillow →

8260 SW 210th St Apt 301

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage980
Listed2026-03-17
Days on market

Asking rent: $1,850

View on Zillow →

8680 SW 212th St

Cutler Bay, 33189 · rent comp

Bedrooms / bathrooms2 bd / 2 ba
Square footage1,113
Listed
Days on market

Asking rent: $2,300

View on Zillow →

Same ZIP & bedroom count. Closed sales from Realtor.com over the last 12 months, matched to this property's type — real transaction prices, not asking prices. Falls back to Miami-Dade County public records (property appraiser tax roll) when Realtor.com has no sales on file for the area.

AddressTypeBedsBathsLiving sqftSale priceSale date
8640 SW 212th St Apt 303condos221,113$235,0002026-08-11
21121 SW 85th Ave Apt 216condos221,192$260,0002026-08-03
21130 SW 87th Ave Apt 203condos22991$240,0002026-07-08
8590 SW 212th St Apt 303condos221,113$248,0002026-06-22
8540 SW 212th St Apt 303condos221,113$220,0002026-05-20
8560 SW 212th St Apt 305condos221,113$222,0002026-05-15
8660 SW 212th St Apt 101condos221,123$260,0002026-02-13
21133 SW 85th Ave Apt 108condos221,160$265,0002025-10-06
8620 SW 212th St Apt 301condos221,113$240,0002025-09-30

Same ZIP. Other properties currently for sale nearby — asking prices, not closed sale prices. Not a price comp; see Sold comps for actual transaction history.

AddressTypeBedsBathsSqftAsking priceDays on market
8670 SW 212th St Apt 105condos221,113$265,000
8500 SW 212th St Apt 309condos221,113$240,000
8240 SW 210th St Apt 319condos22980$240,000
20930 SW 83rd Avetownhomes231,381$377,900
8260 SW 210th St Apt 210condos22980$230,000
21130 SW 87th Ave Apt 304condos22991$315,000
8670 SW 212th St Apt 108condos221,113$265,000
8670 SW 212th St Apt 307condos221,113$255,000

10-year hold projection

IRR1.9%
Equity multiple1.31x
Total return (10yr)$54,900
YearProperty valueNOICash flowLoan balanceEquity
1$272,950$9,279-$8,359$209,701$63,249
2$281,139$9,630-$8,041$207,245$73,893
3$289,573$9,993-$7,711$204,620$84,953
4$298,260$10,368-$7,369$201,815$96,445
5$307,208$10,757-$7,015$198,817$108,391
6$316,424$11,160-$6,648$195,613$120,811
7$325,917$11,576-$6,268$192,189$133,728
8$335,694$12,007-$5,874$188,530$147,164
9$345,765$12,454-$5,467$184,620$161,145
10$356,138$12,915-$5,044$180,441$175,697
Assumes 3.0% annual rent growth, 2.5% expense growth, 3.0% appreciation, and a 6.0% selling cost at exit — all placeholder assumptions, not market-derived.
All figures are estimates for evaluation purposes only, not investment, tax, legal, or insurance advice. Property tax is estimated from a real matched tax bill or millage rate when available, a placeholder % of price otherwise; insurance is scaled by flood and wind risk where those are known and a flat percentage otherwise — never a real quote. Verify all of them, along with association restrictions and permit status, before committing capital. Rent estimates come from real comps or Zillow’s ZIP index, not appraisals.